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Test: Air Around Us - 1

This mock test of Test: Air Around Us - 1 for Class 6 helps you for every Class 6 entrance exam.
This contains 10 Multiple Choice Questions for Class 6 Test: Air Around Us - 1 (mcq) to study with solutions a complete question bank.
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QUESTION: 1

The nitrogen content in air is

A.

88%

B.

21%

C.

78%

D.

68%

Solution:

By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases

QUESTION: 2

The ___________ makes the windmill to rotate.

A.

Wind

B.

Water vapour

C.

Nitrogen

D.

Oxygen

Solution:

The blowing wind makes the windmill to rotate.

QUESTION: 3

Air is a __________ of some gases.

A.

Suspension

B.

Solution

C.

Compound

D.

Mixture

Solution:

Air is a mixture of a number of gases like Nitrogen, Oxygen and Carbon dioxide etc.